B. talking; sitting

　　C. talking; sat

　　D. talked; sitting

　　Ⅲ. 阅读理解

　　(A)

　　A blind boy has learnt how to “see” again after being taught a language used by dolphins. Young Jamie Aspland utters tiny high-pitch (高音) clicks to rebound the sound off surfaces and guide him round obstacles. The four-year-old, who was born without sight, was taught the “echo location” technique as part of an exciting technique pioneered in the US to help the blind.

　　His mother Deborah praised the treatment after her son was able to walk unaided to the park for the first time and even guided himself around a fence. She said, “It has changed our lives. The treatment has been a success. Since learning the skill we can walk to the park and Jamie no longer has to hold my hand. It’s amazing. ”

　　Deborah, a mother of three, gave up her job as a tour operator to care for Jamie and his sick brother Kane full time. Jamie’s twin sister Rosie also has developmental and learning difficulties. She watched nervously after tiny Jamie’s first session when he approached a fence, but was able to round it. She said, “We thought he was going to go straight into it. But he just went round it. I didn’t think it would be possible. He was born blind but this treatment has given him a new lease of life. ”

　　Jamie, from Ashford in Kent, has just completed his third session with echo location expert Daniel Kish, who lost his sight when he was just 13 months old. As president of World Access for the Blind, Kish developed the technique based on animal sonar (声呐) to help humans form “mental maps” of their surroundings.

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